html, body {
	height: 100%;
}

.box{
	padding: 0;
	height: 100%;
	/*外边距设为0*/
	margin: 0; 
	background:rgb(134,134,134);
}

.box .top{
	margin:     0 auto 0 auto;
	width: 800px;
	height: 200px;
	background: url(img/liangc.png);
	
}

.box .bottom .user{
	margin:   0 auto 0 auto;
	width: 300px;
	height: 100px;
	/*text-align: center;*/
	font-family: "微软雅黑";
	color: white;
	font-weight: bold;
}
.box .bottom .user .name{
	width: 300px;
	height: 30px;
}
.box .bottom .user .key{
	width: 300px;
	height: 30px;
}
.box .bottom .user .keyone{
	width: 300px;
	height: 30px;
}
.box .bottom .che{
	margin:   0 auto 0 auto;
	/*float: left;*/
	text-align: center;
	width: 300px;
	height: 50px;
}

.box .bottom .sub {
	margin:     0 auto 0 auto;
	text-align: center;
    background:rgb(37,41,46);
    cursor: pointer;
    width: 300px;
    height: 50px;
    padding: 20px 0 0 0;
    
    font-family: "微软雅黑";
	font-size: 18px;
	color: white;
	font-weight: bold;
    
}
